Question

Check Your REV 1 Fill in the blanks: The pressure in the glomerulus that tends to favor filtration is known as the , and the two pressures that oppose filtration are the and the 2 The overall force that drives glomerular filtration is known as the a. glomerular osmotic pressure. b. capsular hydrostatic pressure. C. glomerular filtration pressure. d. net filtration pressure. 3 Fill in the blanks: The rate of filtrate formation is known as the and averages about 4 What is the purpose of tubular secretion? a. To remove substances in the blood and place them into the filtrate b. To reclaim 99 percent of the water from the filtrate C. To reclaim electrolytes, glucose, and amino acids from the filtrate. d. Both band care correct. e. Both a and b are correct. 5 Which is the correct pathway that a substance takes when it is reabsorbed from the filtrate? a. Filtrate between or through tubule cells interstitial fluid + blood in peritubular capillaries b. Blood in peritubular capillaries interstitial fluid between or through tubule cells filtrate. C. Filtrate between or through tubule cells interstitial fluid + blood in glomerular capillaries d. Filtrate interstitial fluid cytosol of tubule cells + blood in glomerular capillaries 6 Which of the following is not a component of the filtration membrane? a. Glomerular endothelial cells. b. Podocytes C. Smooth muscle d. Basal lamina. Urinary System Physiology - UNIT 26

Answer 1

1. Hydrostatic Pressure, osmotic pressure and effective pressure

2. Capsular hydrostatic pressure

3. Glomerular Filtration Rate(GFR), 120ml/min

4. C

5. A

6. C

7. Glucose is selectively reabsorb in the proximal convoluted tubule.

It is reabsorbed from the filtrate in the blood by active transport(symport by Sodium ion)

8. a). T

b.) F . The first and the finest filtration

C.)F . Nephron tubules cannot reabsorb large protien and cells . It remains in blood

d). T

9. E

10. Protien